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# 与 AWS SDK `StartEngagementByAcceptingInvitationTask` 配合使用
<a name="partnercentral-selling_example_partnercentral-selling_StartEngagementByAcceptingInvitationTask_section"></a>

以下代码示例演示如何使用 `StartEngagementByAcceptingInvitationTask`。

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#### [ Java ]

**适用于 Java 的 SDK 2.x**  
通过接受 a 开始订婚 EngagementInvitation。  

```
package org.example;

import static org.example.utils.Constants.*;

import org.example.utils.Constants;
import org.example.utils.ReferenceCodesUtils;

import software.amazon.awssdk.auth.credentials.DefaultCredentialsProvider;
import software.amazon.awssdk.http.apache.ApacheHttpClient;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.partnercentralselling.PartnerCentralSellingClient;
import software.amazon.awssdk.services.partnercentralselling.model.StartEngagementByAcceptingInvitationTaskRequest;
import software.amazon.awssdk.services.partnercentralselling.model.StartEngagementByAcceptingInvitationTaskResponse;
import software.amazon.awssdk.services.partnercentralselling.model.GetEngagementInvitationRequest;
import software.amazon.awssdk.services.partnercentralselling.model.GetEngagementInvitationResponse;
import software.amazon.awssdk.services.partnercentralselling.model.InvitationStatus;

/*
Purpose
PC-API-04: Start Engagement By Accepting InvitationTask for AWS Originated(AO) opportunity
*/

public class StartEngagementByAcceptingInvitationTask {
	
	static PartnerCentralSellingClient client = PartnerCentralSellingClient.builder()
            .region(Region.US_EAST_1)
            .credentialsProvider(DefaultCredentialsProvider.create())            
            .httpClient(ApacheHttpClient.builder().build())
            .build();
	
	static String clientToken = "test-a30d161";

    public static void main(String[] args) {
    	
    	String opportunityId = args.length > 0 ? args[0] : OPPORTUNITY_ID;
    	
    	StartEngagementByAcceptingInvitationTaskResponse response = getResponse(opportunityId);
    	
    	if ( response == null) {
    		System.out.println("Opportunity is not AWS Originated.");
    	} else {
    		ReferenceCodesUtils.formatOutput(response);
    	}
    }
    
    private static GetEngagementInvitationResponse getInvitation(String invitationId) {
		
    	GetEngagementInvitationRequest getRequest = GetEngagementInvitationRequest.builder()
        		.catalog(Constants.CATALOG_TO_USE)
        		.identifier(invitationId)
        		.build();

		GetEngagementInvitationResponse response = client.getEngagementInvitation(getRequest);
        
        return response;
	}

	static StartEngagementByAcceptingInvitationTaskResponse getResponse(String invitationId) {
		
		if ( getInvitation(invitationId).status().equals(InvitationStatus.PENDING)) {
			StartEngagementByAcceptingInvitationTaskRequest acceptOpportunityRequest = 
					StartEngagementByAcceptingInvitationTaskRequest.builder()
					.catalog(Constants.CATALOG_TO_USE)
	        		.identifier(invitationId)
	        		.clientToken(clientToken)
	        		.build();

			StartEngagementByAcceptingInvitationTaskResponse response = client.startEngagementByAcceptingInvitationTask(acceptOpportunityRequest);
	        return response;
		}
		return null;
	}
}
```
+  有关 API 的详细信息，请参阅 *AWS SDK for Java 2.x API 参考[StartEngagementByAcceptingInvitationTask](https://docs.aws.amazon.com/goto/SdkForJavaV2/partnercentral-selling-2022-07-26/StartEngagementByAcceptingInvitationTask)*中的。

------
#### [ Python ]

**适用于 Python 的 SDK（Boto3）**  
通过接受 a 开始订婚 EngagementInvitation。  

```
#!/usr/bin/env python

"""
Purpose
PC-API -11 Associating a product
PC-API -12 Associating a solution
PC-API -13 Associating an offer
"""
import logging
import boto3
import utils.helpers as helper
from botocore.client import ClientError

from utils.constants import CATALOG_TO_USE

serviceName = "partnercentral-selling"

partner_central_client = boto3.client(
        service_name=serviceName,
        region_name='us-east-1'
)

def get_opportunity(identifier):
    get_opportunity_request ={
	    "Identifier": identifier,
        "Catalog": CATALOG_TO_USE
    }
    try:
        # Perform an API call
        response = partner_central_client.get_engagement_invitation(**get_opportunity_request)
        return response

    except ClientError as err:
        # Catch all client exceptions
        print(err.response)

def start_engagement_by_accepting_invitation_task(identifier):

    response = get_opportunity(identifier)

    if ( response['Status'] == 'PENDING') :
        accept_opportunity_engagement_invitation_request ={
            "Catalog": CATALOG_TO_USE,
	        "Identifier" : identifier,
            "ClientToken": "test-123456"
        }
        try:
            # Perform an API call
            response = partner_central_client.start_engagement_by_accepting_invitation_task(**accept_opportunity_engagement_invitation_request)
            return response

        except ClientError as err:
            # Catch all client exceptions
            print(err.response)
            return None
    else:
        return None

def usage_demo():
    identifier = "arn:aws:partnercentral:us-east-1::catalog/Sandbox/engagement-invitation/engi-0000002isusga"
    logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")

    print("-" * 88)
    print("Get updated Opportunity.")
    print("-" * 88)

    helper.pretty_print_datetime(start_engagement_by_accepting_invitation_task(identifier))

if __name__ == "__main__":
    usage_demo()
```
+  有关 API 的详细信息，请参阅适用[StartEngagementByAcceptingInvitationTask](https://docs.aws.amazon.com/goto/boto3/partnercentral-selling-2022-07-26/StartEngagementByAcceptingInvitationTask)于 *Python 的AWS SDK (Boto3) API 参考*。

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